Home / 80,632.89-111,257.15-47,092.41

Finding the Fourth Proportional to 80,632.89, 111,257.15 and 47,092.41

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Solution

The fourth proportional to 80,632.89, 111,257.15 and 47,092.41 is: 64,978.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,632.89 : 111,257.15 = 47,092.41 : x
  2. Step 2: Convert to fraction form
    80,632.89/111,257.15 = 47,092.41/x
  3. Step 3: Cross multiply
    80,632.89x = 111,257.15 × 47,092.41
  4. Step 4: Simplify right side
    80,632.89x = 5,239,367,087.77
  5. Step 5: Solve for x
    x = 5,239,367,087.77/80,632.89
  6. Step 6: Final answer
    x = 64,978.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.